The Bell 206 JetRanger, in Sweden known as HKP 6. Was used by the Swedish army and navy for observation, liaison and transports. It was also used for...

Adjusting the Trip hammer with a sledge hammer A Trip hammer is made by cast iron and timber. All assemblies between iron and wood are made with wooden...

In the chain forge iron links are welded into a chain. Forge welding is a solid-state welding process that joins two pieces of metal by heating them to...

The most important tool for a gold prospector is the pan. It is used to separate gold from the concentrate of other heavy minerals and materials. In a...

Recording 1, at Olofsfors Iron Works. Iron rods are rolled into a link shape package. Before welding the chain the workers have to cut the package into...

Recording 2, at Olofsfors Iron Works. Iron rods are rolled into a link shape package. Before welding the chain the workers have to cut the package into...

This hammer is used to form the Wrought iron into bars. Sound cycle Sound 1: The hammer is lifted with an iron cog mounted on the water wheel axel. Sound...

This hammer is used to form the Wrought iron into bars. Sound cycle Sound 1: The hammer is lifted with an iron cog mounted on the water wheel axel. Sound...

This hammer is used to form the Wrought iron into bars. Sound cycle Sound 1: The hammer is lifted with an iron cog mounted on the water wheel axel. Sound...